Shane Gross / Graysby fish (Cephalopholis cruentata) a type of grouper, hiding in a sponge off Eleuthera, Bahamas.

Paul Hobson / Red deer (Cervus elaphus) herd during rut in morning light. Derbyshire, England, UK. October.

David Fleetham / Cleaner wrasse (Labroides dimidiatus) eating parasites off Coral grouper (Cephalopholis miniata) with Shrimp (Lysmata amboinensis) Mabul Island, Malaysia.

Andres M. Dominguez / Red deer (Cervus elaphus) stag and two hinds, Los Alcornocales Natural Park, southern Spain, September.

Alex Mustard / Colourful reef scene with Coral grouper (Cephalopholis miniata), map puffer (Arothron mappa) and Panda butterflyfish (Chaetodon adiergastos). Tank Reef, Fiabacet Islands, Misool, Raja Ampat, Indonesia...

Klein & Hubert / Three Red deer (Cervus elaphus) does in winter, Germany

Sven Zacek / Roe deer (Capreolus capreolus) buck with does, Vesneri, Estonia, March. Winner of the Animal stories portfolio in the Melvita Nature Images Awards competition 2014.

Sven Zacek / Roe deer (Capreolus capreolus) buck and doe interacting, Vesneri, Estonia, March. Winner of the Animal stories portfolio in the Melvita Nature Images Awards competition 2014.

Jeff Rotman / Eye of a Peacock grouper (Cephalopholis argus) Red Sea, Egypt.

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) hinds in mist at sunrise, Bushy Park, London, UK, October.

Danny Green / 2020VISION / Red deer (Cervus elaphus) silhouette of hinds in woodland glade at dusk, Bradgate Park, Leicestershire, England, UK, October. Did you know? The Red Deer is the largest UK land mammal, with stags weigh...

Colin Varndell / Red Deer (Cervus elaphus) hinds silhouetted in grassland. Richmond Park, London, UK, October.

Ernie Janes / RF- Silhouette of Red deer (Cervus elaphus) stag and hind by tree at sunset, Norfolk, UK. (This image may be licensed either as rights managed or royalty free.)

Wild Wonders of Europe / Hamblin / Red deer (Cervus elaphus) stags and hinds on the move, Oostvaardersplassen, Netherlands, June 2009

Andy Rouse / Red deer (Cervus elaphus) stag calling to hinds during rut, Scottish Highlands, UK

Andy Rouse / Red deer (Cervus elaphus) stag during annual rut with hinds, Scottish highlands, UK

Edwin Giesbers / RF- Red Deer (Cervus elaphus) stag and three does silhouette grazing. Dyrehaven, Denmark. (This image may be licensed either as rights managed or royalty free.)

David Kjaer / Red deer stag calling in rut {Cervus elaphus} with hinds nearby, Richmond Park, London, UK

John Cancalosi / Red deer (Cervus elaphus) females & jackdaws, England Hinds

John Cancalosi / Red deer hinds with crows, Scotland

Pascal Kobeh / Graysby seabass (Cephalopholis cruentata) on the reef, Yucatan peninsula, Mexico, Caribbean.

Bernard Castelein / Roe deer (Capreolus capreolus) doe. Peerdsbos, Brasschaat, Belgium. August.

Bernard Castelein / Roe deer (Capreolus capreolus) doe amongst vegetation. Peerdsbos, Brasschaat, Belgium. July.

Bernard Castelein / Roe deer (Capreolus capreolus) doe sitting amongst logs. Peerdsbos, Brasschaat, Belgium. July.

Bernard Castelein / Roe deer (Capreolus capreolus) doe standing in grassland. Peerdsbos, Brasschaat, Belgium. July.

Alex Mustard / RF - Coral grouper (Cephalopholis miniata) guards its terriroty on a coral reef, with a sea fan (Annella sp.). Raja Ampat.

Edwin Giesbers / Red deer (Cervus elaphus) stag bellowing during rut in grassland, doe in background.

George Sanker / White-tailed deer (Odocoileus virginianus), doe and fawns feeding in a row on snow covered pond, rear view. Acadia National Park, Maine, USA. January.

George Sanker / White-tailed deer (Odocoileus virginianus) doe and fawn standing amongst Bulrushes on snow covered pond. Acadia National Park, Maine, USA. January.

George Sanker / White-tailed deer (Odocoileus virginianus) doe and fawn standing on snow covered pond. Acadia National Park, Maine, USA. January.

George Sanker / White-tailed deer (Odocoileus virginianus) doe and fawn standing in grassland in light mist. Acadia National Park, Maine, USA. August.

George Sanker / White-tailed deer (Odocoileus virginianus) doe licking fawn in grassland, at edge of woodland. Acadia National Park, Maine, USA. July.

George Sanker / White-tailed deer (Odocoileus virginianus) doe and fawn at edge of beaver pond. Acadia National Park, Maine, USA. June.

George Sanker / White-tailed deer (Odocoileus virginianus) doe with suckling fawn at edge of beaver pond. Acadia National Park, Maine, USA. June.

Nick Upton / Roe deer (Capreolus capreolus) doe grooming itself and then grazing on a garden lawn, Wiltshire, England, UK, February.

Nick Upton / Roe deer (Capreolus capreolus) doe grazing on Common ivy (Hedera helix) from a garden hedge, Wiltshire, England, UK, February.

Heather Angel / Pere David's deer (Elaphurus davidianus) two stags boxing amongst herd of hinds. Captive bred in reserve after reintroduction from Woburn Abbey, England, UK. Dafeng Milu National Nature Reserve, J...

Alex Mustard / Schools of baitfish including Cardinalfish (Apogon spp) and Silversides (Atherinidae) mass on a coral reef, with Giant barrel sponge (Xestospongia sp.) and predatory coral grouper (Cephalopholis minia...

Alex Mustard / Coral grouper (Cephalopholis miniata) waits in ambush, hiding against a seafan (Annella sp.) hunting silversides (Atherinidae), with schooling bigeye snapper (Lutjanus lutjanus) behind. Misool, Raja A...

Alex Mustard / Large reef scene on the current exposed face of a coral reef, with seafans (Melithaea sp.), soft corals (Dendronephthya spp.), sponges, coral grouper (Cephalopholis miniata), anthias, damselfish and m...

Cyril Ruoso / Roe deer (Capreolus capreolus), buck chasing doe through field, at woodland edge. Yonne, Bourgogne-Franche-Comte, France. May.

SCOTLAND: The Big Picture / Red deer, (Cervus elaphus), group of hinds on moor in winter, Scotland, UK.February

SCOTLAND: The Big Picture / Red deer, (Cervus elaphus), group of hinds moving across hill top in winter, Scotland, UK.February

SCOTLAND: The Big Picture / Roe deer, (Capreolus capreolus) doe in grassland habitat with farm buildings in background, Scotland, UK.July

SCOTLAND: The Big Picture / Roe deer, (Capreolus capreolus) doe in grass meadow, Scotland, UK, July.

SCOTLAND: The Big Picture / Red deer (Cervus elaphus) hinds being photographed by a photography tour. Scotland, UK, October.

Oscar Dewhurst / Red deer (Cervus elaphus) stag in misty conditions bellowing whilst sat down in long grass with the rising sun in the background. Richmond Park, London, UK. September

Oscar Dewhurst / Red deer (Cervus elaphus) stag pursuing hind through the bracken. Bushy Park, London, UK. September